What is YPM ? There may be more than one meaning of YPM , so check it out all meanings of YPM one by one. Yoga Pants Mafia - A large and noisy group of most suburban women who insist on the wisdom of their agenda, often using social media to harangue and hound. What does YPM stand for? What does YPM mean? We have 42 definitions. Looking for the definition of YPM? Find out what is the full meaning of YPM on Abbreviations.